metabolic pathway: meaning, definition, pronunciation and examples
Low (specialized term)Technical/Scientific
Quick answer
What does “metabolic pathway” mean?
A series of interconnected chemical reactions occurring within a cell, where molecules are transformed through a sequence of steps facilitated by enzymes.
Audio
Pronunciation
Definition
Meaning and Definition
A series of interconnected chemical reactions occurring within a cell, where molecules are transformed through a sequence of steps facilitated by enzymes.
In a broader sense, the term can metaphorically describe any multi-stage, interconnected process of transformation or development, often following a predetermined sequence.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Minor spelling variations in related terms (e.g., catalysed/catalyzed).
Connotations
Identical technical connotations in both varieties.
Frequency
Equally low and specialized in both regions, used almost exclusively in biochemistry, physiology, and related life sciences.
Grammar
How to Use “metabolic pathway” in a Sentence
The [Noun] functions in/within a metabolic pathway.Researchers have elucidated the metabolic pathway for [Noun].[Enzyme] catalyzes a step in the metabolic pathway leading to [Product].Vocabulary
Collocations
Examples
Examples of “metabolic pathway” in a Sentence
adjective
British English
- The pathway analysis revealed key regulatory nodes.
- Her research focuses on pathway engineering in yeast.
American English
- The pathway analysis revealed key regulatory nodes.
- Her research focuses on pathway engineering in yeast.
Usage
Meaning in Context
Business
Rarely used; might appear metaphorically in biotech/pharma contexts (e.g., 'disrupting the metabolic pathway of a disease').
Academic
Primary context. Used in biochemistry, molecular biology, physiology, and medical research papers and textbooks.
Everyday
Virtually never used in everyday conversation.
Technical
Core term in life sciences, bioengineering, pharmacology, and nutrition science.
Vocabulary
Synonyms of “metabolic pathway”
Strong
Neutral
Weak
Vocabulary
Antonyms of “metabolic pathway”
Watch out
Common Mistakes When Using “metabolic pathway”
- Using 'metabolic path' (less common). Confusing it with 'metabolic rate' (speed vs. sequence). Using it as a countable noun without an article (e.g., 'It is metabolic pathway' vs. 'It is a metabolic pathway').
FAQ
Frequently Asked Questions
No. Metabolism is the entire set of life-sustaining chemical transformations. A metabolic pathway is one specific, defined series of steps within that larger network (e.g., the Krebs cycle is one pathway within cellular metabolism).
It is almost exclusively a scientific term. Metaphorical use is rare and typically found in popular science writing to explain complex processes (e.g., 'the metabolic pathway of ideas in an organization').
Anabolic pathways build complex molecules from simpler ones, requiring energy (e.g., protein synthesis). Catabolic pathways break down complex molecules into simpler ones, often releasing energy (e.g., glycolysis).
Core pathways like glycolysis are highly conserved across most life forms. However, many specialized pathways differ significantly between species, which is a key point in drug development (targeting pathogen-specific pathways).
A series of interconnected chemical reactions occurring within a cell, where molecules are transformed through a sequence of steps facilitated by enzymes.
Metabolic pathway is usually technical/scientific in register.
Metabolic pathway: in British English it is pronounced /ˌmet.əˌbɒl.ɪk ˈpɑːθ.weɪ/, and in American English it is pronounced /ˌmet̬.əˌbɑː.lɪk ˈpæθ.weɪ/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Imagine a map of a city (the cell) where a package (a molecule) must pass through several specific checkpoints (enzymes) along a dedicated road (the pathway) to be transformed into a new product.
Conceptual Metaphor
A PATH/ROAD MAP FOR CHEMICAL TRANSFORMATION (The process is a journey along a predefined route with stations).
Practice
Quiz
In a biochemical context, what best describes a 'metabolic pathway'?